Maximiliano Hyon, D.O.
Endocrinology, Diabetes & Metabolism Physician · Fullerton, CA
Maximiliano Hyon, D.O. is an endocrinology, diabetes & metabolism physician with a practice address in Fullerton, California, and NPI 1942626767, issued on Mar 17, 2014. Check the license (California 20A13210, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maximiliano Hyon
- Credential
- D.O.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 20A13210 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 E Valencia Mesa Dr Ste 105, Fullerton, CA 92835
- Phone
- (714) 446-5640
- Enumerated
- Mar 17, 2014
- Record last updated
- Jan 16, 2026
- Fax
- (714) 446-5625
- Medicare enrollment
- Enrolled (PECOS I20180315002579); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 100 E Valencia Mesa Dr Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Hernandez, RNRegistered Nurse1801731039
- Ruth Hwang, MS, PA-CPhysician Assistant1821332156
- Michael Kuo, MDEndocrinology, Diabetes & Metabolism Physician1033593744
- Jason Ling, MDEndocrinology, Diabetes & Metabolism Physician1154664597
- Shilpa Mehta, MDEndocrinology, Diabetes & Metabolism Physician1548422991
- Becky Muldoon, MDEndocrinology, Diabetes & Metabolism Physician1316272180
Verify Maximiliano Hyon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13210Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
7,847 Medicare Part D claims for 625 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Jardiance687 claims
- Ozempic676 claims
- Metformin Hcl546 claims
- Atorvastatin Calcium393 claims
- Nano 2nd Gen Pen Needle342 claims
- Mounjaro293 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,543.50
74 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Providence Medical FoundationFullerton, CA
- White Memorial Medical CenterLos Angeles, CA
- White Memorial Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maximiliano Hyon among 1,131 endocrinology, diabetes & metabolism physician records in California
Maximiliano Hyon, D.O. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.
- NPI issued2014 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2012 · median 2003 among the 779 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Fullerton → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Serhat Aytug, M.D.Fullerton, CA 928351194707471
- Jeffrey Bodwin, MDFullerton, CA 928351932195476
- John Gilbert, M.D.Fullerton, CA 928351588650667
- Michael Kuo, MDFullerton, CA 928351033593744
- Jason Ling, MDFullerton, CA 928351154664597
- Shilpa Mehta, MDFullerton, CA 928351548422991
- Becky Muldoon, MDFullerton, CA 928351316272180
- Steven Saltman, M.D.Fullerton, CA 928351770579153
Common questions
What is Maximiliano Hyon, D.O.'s NPI number?
Maximiliano Hyon, D.O.'s National Provider Identifier (NPI) is 1942626767, issued on Mar 17, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Maximiliano Hyon, D.O. located?
The NPPES record lists a practice address at 100 E Valencia Mesa Dr Ste 105, Fullerton, CA, 92835. Phone: (714) 446-5640. Providers update this record themselves, so call before visiting.
How can I verify Maximiliano Hyon, D.O.'s license?
NPPES lists California license number 20A13210, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maximiliano Hyon, D.O. prescribe under Medicare Part D?
In 2024, Maximiliano Hyon, D.O. had 7,847 Medicare Part D claims for 625 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Maximiliano Hyon, D.O.'s MIPS final score?
The 2023 MIPS final score is 97.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.